Double-acting internal-combustion engine.



2 SHEETS-SHEET l.

Patented Mar. 16, 1915.

A. KIGAUD.

APPLIGATION'FILED 00T.6, 1911.

DOUBLE ACTING INTERNAL COMBUSTION ENGINE.

wumo wy J A. menu.- DOUBLE ACTING INTERNAL GOMBU STION ENGINE.

APPLICATION FILED OGTfi, 1911. 1

- Pa-tented Mar. 16, 1915.

2 SHEETS-SHEET 2.,

QU L A TING 3.1x imum eezvmtrsmien ENGI IE "r 316 x119, c iiindezr A iOx'zl-ikd' beneath the inetm' eylinmung at der 5 B .'.'Th'0-p1 1nip piston 3'When def have inseeming have gas threu'gh pipe 3% coming llupmve} f1-01n,111 enrhm'cter." In rising itforces this gas during hefii'et'half of its stroke either into a" st0frag"'pip'e= 501 in'fthe case 'of multi eylindep engines, a pipe 6 pas singco/the v adjacent. n'loioi' eylinder spacefB After reaching half Sta-eke, the pistoii' 30105.35 the I ports 0ft he pipes or 6 and cnntinue's. the -.,seeu1 1dpn1*t of its ceurse, forcing gas into its him jhotol eyhndenepaqe B by wayof $11. I pipe'jfl as'soon 11's the metpl pistoli S has unene .m z'uj weve-refi the gas admissj'qn' ports 9 a little pm rmg e 1 paeses efoi-e' the upper mid of its sti'ok'e'. "The 1,2 twog engme;

fings. m (he men piston; products-Of Combustion 'fremfhe prefio'us 1 J J 1 112? u.

lveiix the reeipvoe'gri'mg lOiJei-ng bpened. before tliose'fol' admitting maxim in the mm the 1155 Inits"descending fiiokfenieht' the of n type meter pisten' 8 will uncover, sherflybefeyo FIXQCY fine e-nd' pf its; stroke; the admissienperts 1'1 shout firls' at ich-eiitersfhe gas; \YhiCh-IIRS' been 'oris beihgcoinpressedfih the ladjzg space B .iTh-fis fed the charges of will be successive-1y jeoniptesaed;

he aistonfSeend teward Chebyliridey heads I t 1 gas which tins; replaces the bhrnt gas;- 1 acting -1-35 convert the reciprocz it mm'ement into fa l'btation-offtlle main \if'G lveuftedin fife Grim ease H. 4 1

. 1. is a View pz u'tly in secfiionof '21 Iihree-cylinder flying machine'- lflOfL Olz isc section 011 a plane at right angles 7 1350? Fig. 1f -The peculiarity .of thief une, is the "dlfawing in of the gas -i'1gh pipes; The vpipes 4&- are connected a sleeve surrounding yf-he hollew Shaft G he mot-e and this shaft is previ'dedn ifli i wt 1. wich, inz'ex'el i11g,, 'L111C0"IS in: u arrangec i at the ends of the 9 these abut'against thehellowf mile plane as *c'he perttherein, will passin urn into each n-edetermined times. The '3 2 adja'eent motofc'ylin g rti on, 'ef the stroke 6f 1e pump e {he pipe v6 and thence no; the inlet port-- of the adjacent motor aintler epaee'B The second part of the mgiPeembUQ 'ihe present intend Sm eiemtmn'filer vins-j shown I "i enter through the pi J 7 ankiin 1 Q to: cylinder sDace Bz' distributing meniber and aflords the maXi I explosive charge iromtthe pump cylinders mum'of security as anaviation motor.

Fig. 3 is a motor of thesame kind with two, cylinders relatively disposed in the form of a V. In this case alsothe gas is drawn in. through a hollow shaft revolving in front of-the ports I in connection with fixed pipes 4. y The charge passes partly through a pipe 6 tofth adjacent cylinder and the remainder'by a pipe 7 to the cylin- .de'nB with'the pistonof which the pump I piston in the corresponding pump cylinder,

' piston is connected.

Fig. 4: a Vertical:three-cylinder inot'or .in' which the fresh gas is drawn in from a carbureter-or the]. like through 'apassage as J which maybe drivenv frorn the crank 20 [artly to-theadjacent motor cylinder space;

Y shaft by'means' of chaintransmission. The

compressed charge.is fed by each pump and the remainder to the, motor cylinder B and B compress to "high pressure, and

',I ,d eclare that what I claim is:

1 1-; A, double acting two-stroke internal J combustion engine comprising-a plurality'of I workingcylinders, a pump cylinder it'oreach' working cylinder,'a piston for eachfworkin'g;

cylinder, a piston for .each pump cylinder connected 'tobe.. actuated by the respective working cylinder-piston, a crank shaft with 1 which ,"the; pump cylinder pistons. are connected, said crank shfaft bei ng tubular and adapted to supplytheexplosivecharge'for the working cylinders, connections from the crank shaft to the pump cylinders for supplying explosive charge to the pump cylin -.'ders' during the intake strokeof the pump pistons, meansfl for cuttingofi the supply v during the compression stroke of the pump controlled by an 'autoniatio vvvalve, or con'- trolled. by a rotary 'distributing valve such I pistons and connections for supplying the "1 to respective adjacent working cylinders and then to the'co'ciper'ating working cy1in- .2. A double acting two stroke internal combustion engine comprising a plurality ders of the respective pump lcylinde'rs;

of working cylinders, a pump cylinder arranged in linefwith each of said, working cylinders, means for connecting thepist on in-each of said working cylinders with the 'meansfor coupling *said connected pistons with the crank shaft,'means for conducting compressed gas from each pumptzylinder to the upper end of an adjacent working cylinder means for conrlncting compressed gas from each pump cylinder to the lower end-'- of its own. working cylinder, and means for distributingthe compressed charge from each punip. cylinder to the two conductlng means alternately. I

:oombustionengine comprising a plurality of double acting work ng. cylinders, a hollow 8. A- double acting two stroke internal i meansfor feeding a-clrend of each of said fromfthe pump cylinders, nieans'for distrib-;

said 'means consisting of a port communieating with the interior ol' the hollow (rank working cylinders, with compressed gas j y 75' uting gas to each of said pump cylinders,

shaft of the engine, a valve member sur l rounding the crank shaft adjacent to saidport, and d stributing pipes connecting said valve member with said pninp cylinders.

I signed ni'y namethis 25th day of September, 1911, in the presence of two subscribing witnessesi Witnesses: A

- 5 Gn'onens VALDELiEVREY,

. y ALBERT oner-inn,-

,"Inewitness' whereof," I have hereunto! ALBERT RIeAUn 7o crankshaft, apninp cylinder arrangedin' 11116 with each of Sflltl "workni cylinders, v 

